diff options
| -rw-r--r-- | builtin-branch.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/builtin-branch.c b/builtin-branch.c index e161e00978..42b1ff129e 100644 --- a/builtin-branch.c +++ b/builtin-branch.c @@ -410,7 +410,6 @@ static void set_branch_defaults(const char *name, const char *real_ref) } static void create_branch(const char *name, const char *start_name, - unsigned char *start_sha1, int force, int reflog, int track) { struct ref_lock *lock; @@ -431,15 +430,22 @@ static void create_branch(const char *name, const char *start_name, forcing = 1; } - if (start_sha1) { - /* detached HEAD */ - hashcpy(sha1, start_sha1); + real_ref = NULL; + if (get_sha1(start_name, sha1)) + die("Not a valid object name: '%s'.", start_name); + + switch (dwim_ref(start_name, strlen(start_name), sha1, &real_ref)) { + case 0: + /* Not branching from any existing branch */ real_ref = NULL; - } - else if (dwim_ref(start_name, strlen(start_name), sha1, &real_ref) > 1) + break; + case 1: + /* Unique completion -- good */ + break; + default: die("Ambiguous object name: '%s'.", start_name); - else if (real_ref == NULL) - die("Not a valid object name: '%s'.", start_name); + break; + } if ((commit = lookup_commit_reference(sha1)) == NULL) die("Not a valid branch point: '%s'.", start_name); @@ -620,12 +626,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix) rename_branch(head, argv[i], force_rename); else if (rename && (i == argc - 2)) rename_branch(argv[i], argv[i + 1], force_rename); - else if (i == argc - 1) - create_branch(argv[i], head, head_sha1, force_create, reflog, - track); - else if (i == argc - 2) - create_branch(argv[i], argv[i+1], NULL, force_create, reflog, - track); + else if (i == argc - 1 || i == argc - 2) + create_branch(argv[i], (i == argc - 2) ? argv[i+1] : head, + force_create, reflog, track); else usage(builtin_branch_usage); |